local LootManager = Object:extend()
local Pocket = Object:extend()

local itemutils = require "game.utils.items"

function LootManager:new(controller)
  self.controller = controller
  self.rings = 0
  self.inventory = {}
  self.pocketIndex = {}

  self:generatePockets()
end

function LootManager:getData()
  local data = {}
  data.rings = self.rings
  data.inventory = self.inventory
  return data
end

function LootManager:setData(data)
  local data = data
  self.rings = data.rings
  self.inventory = data.inventory
end

function LootManager:generatePockets()
  local structure = require "datas.gamedata.items"
  for i,pocketdata in ipairs(structure) do
    local pocket = Pocket(pocketdata)
    self.pocketIndex[pocketdata.name] = i
    table.insert(self.inventory, pocket)
  end
end

function LootManager:getPocketById(id)
  return self.inventory[id]
end

function LootManager:getPocketByName(name)
  return self.inventory[self.pocketIndex[name]]
end

function LootManager:addItem(type, item, number)
  local pocket = self:getPocketByName(type)
  if (itemutils.itemExists(type, item)) then
    pocket:addItem(item, number)
  end
end

function LootManager:getItemData(type, item)
  return itemutils.getItemData(type, item)
end

function LootManager:getItemNumber(type, item)
  local pocket = self:getPocketByName(type)
  return pocket:getItemNumber(item)
end

-- POCKET OBJECT

function Pocket:new(pocketdata)
  self.name = pocketdata.name
  self.fullname = pocketdata.fullname
  self.inBattle = pocketdata.inBattle
  self.description = pocketdata.description
  self.list = {}
end

function Pocket:addItem(item, number)
  local success = false

  for i,itemData in ipairs(self.list) do
    if (itemData.name == item) then
      itemData.number = itemData.number + number
      success = true
    end
  end

  if (not success) then
    itemData = {}
    itemData.name = item
    itemData.number = number
    table.insert(self.list, itemData)
  end
end

function Pocket:getItem(name)
  for i, itemData in ipairs(self.list) do
    if (itemData.name == name) then
      return itemData
    end
  end
  return nil
end

function Pocket:getItemNumber(name)
  local item = self:getItem(name)
  if (item == nil) then
    return 0
  else
    return item.number
  end
end

return LootManager